People enter a line for the Demon Roller Coaster at the
Chapter 5, Problem 110(choose chapter or problem)
People enter a line for the Demon Roller Coaster at the rate of 4 per minute. The following formula from probability can be used to determine the probability that x people will arrive within the next minute. P1x2 = 4x e-4 x! where x! = x # 1x - 12 # (x - 2) # g# 3 # 2 # 1 (a) Determine the probability that x = 5 people will arrive within the next minute. (b) Determine the probability that x = 8 people will arrive within the next minute
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